Finding the Fourth Proportional to 427,231.84, 589,583.88 and 236,258.20
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Solution
The fourth proportional to 427,231.84, 589,583.88 and 236,258.20 is: 326,038.50
Step by Step Solution
- Step 1: Write the proportion equation
427,231.84 : 589,583.88 = 236,258.20 : x - Step 2: Convert to fraction form
427,231.84/589,583.88 = 236,258.20/x - Step 3: Cross multiply
427,231.84x = 589,583.88 × 236,258.20 - Step 4: Simplify right side
427,231.84x = 139,294,026,237.82 - Step 5: Solve for x
x = 139,294,026,237.82/427,231.84 - Step 6: Final answer
x = 326,038.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.